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// This file was generated by gir (https://github.com/gtk-rs/gir)
// from gir-files (https://github.com/gtk-rs/gir-files)
// from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git)
// DO NOT EDIT

use crate::Object;
use glib::object::Cast;
use glib::object::IsA;
use glib::signal::connect_raw;
use glib::signal::SignalHandlerId;
use glib::translate::*;
use glib::StaticType;
use glib::ToValue;
use std::boxed::Box as Box_;
use std::mem::transmute;

glib::wrapper! {
    /// Tracing modules will subclass [`Tracer`][crate::Tracer] and register through
    /// `gst_tracer_register()`. Modules can attach to various hook-types - see
    /// [`tracing_register_hook()`][crate::tracing_register_hook()]. When invoked they receive hook specific
    /// contextual data, which they must not modify.
    ///
    /// This is an Abstract Base Class, you cannot instantiate it.
    ///
    /// # Implements
    ///
    /// [`TracerExt`][trait@crate::prelude::TracerExt], [`GstObjectExt`][trait@crate::prelude::GstObjectExt], [`trait@glib::ObjectExt`]
    #[doc(alias = "GstTracer")]
    pub struct Tracer(Object<ffi::GstTracer, ffi::GstTracerClass>) @extends Object;

    match fn {
        type_ => || ffi::gst_tracer_get_type(),
    }
}

impl Tracer {
    pub const NONE: Option<&'static Tracer> = None;
}

unsafe impl Send for Tracer {}
unsafe impl Sync for Tracer {}

/// Trait containing all [`struct@Tracer`] methods.
///
/// # Implementors
///
/// [`Tracer`][struct@crate::Tracer]
pub trait TracerExt: 'static {
    fn params(&self) -> Option<glib::GString>;

    fn set_params(&self, params: Option<&str>);

    #[doc(alias = "params")]
    fn connect_params_notify<F: Fn(&Self) + Send + Sync + 'static>(&self, f: F) -> SignalHandlerId;
}

impl<O: IsA<Tracer>> TracerExt for O {
    fn params(&self) -> Option<glib::GString> {
        glib::ObjectExt::property(self.as_ref(), "params")
    }

    fn set_params(&self, params: Option<&str>) {
        glib::ObjectExt::set_property(self.as_ref(), "params", &params)
    }

    fn connect_params_notify<F: Fn(&Self) + Send + Sync + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_params_trampoline<
            P: IsA<Tracer>,
            F: Fn(&P) + Send + Sync + 'static,
        >(
            this: *mut ffi::GstTracer,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Tracer::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::params\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_params_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}